return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C2H6O2S (Dimethyl sulfone)

using model chemistry: BLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/6-31+G**
 hartrees
Energy at 0K-628.334726
Energy at 298.15K 
HF Energy-628.334726
Nuclear repulsion energy266.406916
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at BLYP/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3103 3086 1.40      
2 A1 2998 2982 3.33      
3 A1 1428 1421 3.77      
4 A1 1308 1301 5.86      
5 A1 1057 1052 154.09      
6 A1 966 961 7.38      
7 A1 594 591 11.97      
8 A1 432 430 18.75      
9 A1 247 246 2.24      
10 A2 3102 3085 0.00      
11 A2 1420 1412 0.00      
12 A2 906 902 0.00      
13 A2 266 264 0.00      
14 A2 174 174 0.00      
15 B1 3106 3089 3.47      
16 B1 1434 1426 12.36      
17 B1 1217 1210 238.10      
18 B1 955 950 0.04      
19 B1 328 327 0.75      
20 B1 202 201 0.39      
21 B2 3101 3085 0.26      
22 B2 2995 2979 0.52      
23 B2 1419 1411 8.35      
24 B2 1289 1282 4.43      
25 B2 913 908 41.60      
26 B2 671 667 59.43      
27 B2 405 403 26.19      

Unscaled Zero Point Vibrational Energy (zpe) 18017.4 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 17921.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at BLYP/6-31+G**
ABC
0.14361 0.13275 0.13027

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.197
O2 -1.301 0.000 0.934
O3 1.301 0.000 0.934
C4 0.000 1.449 -0.942
C5 0.000 -1.449 -0.942
H6 0.000 2.333 -0.290
H7 0.000 -2.333 -0.290
H8 0.910 1.424 -1.555
H9 -0.910 1.424 -1.555
H10 -0.910 -1.424 -1.555
H11 0.910 -1.424 -1.555

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.49541.49541.84271.84272.38312.38312.43452.43452.43452.4345
O21.49542.60202.70392.70392.93842.93843.62162.89452.89453.6216
O31.49542.60202.70392.70392.93842.93842.89453.62163.62162.8945
C41.84272.70392.70392.89721.09853.83721.09811.09813.07513.0751
C51.84272.70392.70392.89723.83721.09853.07513.07511.09811.0981
H62.38312.93842.93841.09853.83724.66561.80441.80444.06724.0672
H72.38312.93842.93843.83721.09854.66564.06724.06721.80441.8044
H82.43453.62162.89451.09813.07511.80444.06721.82083.38002.8477
H92.43452.89453.62161.09813.07511.80444.06721.82082.84773.3800
H102.43452.89453.62163.07511.09814.06721.80443.38002.84771.8208
H112.43453.62162.89453.07511.09814.06721.80442.84773.38001.8208

picture of Dimethyl sulfone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C4 H6 105.433 S1 C4 H8 109.122
S1 C4 H9 109.122 S1 C5 H7 105.433
S1 C5 H10 109.122 S1 C5 H11 109.122
O2 S1 O3 120.915 O2 S1 C4 107.743
O2 S1 C5 107.743 O3 S1 C4 107.743
O3 S1 C5 107.743 C4 S1 C5 103.652
H6 C4 H8 110.464 H6 C4 H9 110.464
H7 C5 H10 110.464 H7 C5 H11 110.464
H8 C4 H9 112.008 H10 C5 H11 112.008
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.847      
2 O -0.509      
3 O -0.509      
4 C -0.502      
5 C -0.502      
6 H 0.209      
7 H 0.209      
8 H 0.189      
9 H 0.189      
10 H 0.189      
11 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -4.792 4.792
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.550 0.000 0.000
y 0.000 -32.542 0.000
z 0.000 0.000 -39.540
Traceless
 xyz
x -8.509 0.000 0.000
y 0.000 9.503 0.000
z 0.000 0.000 -0.993
Polar
3z2-r2-1.987
x2-y2-12.008
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.062 0.000 0.000
y 0.000 8.686 0.000
z 0.000 0.000 8.101


<r2> (average value of r2) Å2
<r2> 133.932
(<r2>)1/2 11.573